must-have ! 3M Reusable Respirator, Size S, 6501QL NIOSH

Tried on, but not once used.
magnificent condition.
Size Small
7.15"D x 3.95"W x 8.05"H
Filter Class: P100

3M Rugged Comfort expedient Latch Half Facepiece Reusable Respirator 6500 Series.

Proprietary rapid latch design offers an uncomplicated, one-hand touch drop-down mechanism for putting the facepiece on and taking it off while moving in and out of contaminated areas.
When properly fitted and used with approved 3M cartridges and filters, helps provide respiratory protection in workplaces at concentrations up to 10 times the Permissible Exposure Limit.
Lightest silicone 3M half facepiece, but still rugged enough to withstand long hours and extreme conditions.
Resilient silicone faceseal offers an extended facepiece life, even keeping its shape in high-heat environments.

Innovative designs: valve cover which helps direct exhaled breath and moisture downward, and 3M’s proprietary Cool Flow Valve that helps make breathing easier.
Facepiece comes with adjustable head harness assembly